HERS Rating, Code Blower Door Testing and Duct Testing

Harmony Home Energy, as determined by the code official, may act as the approved third party to conduct infiltration testing and will provide a signed written report of the results of the test for the code official.

Compliance service provided to meet section R402.4.1.2 for infiltration testing mandatory in the 2015 IECC.

The building or dwelling unit shall be tested and verified as having an air leakage rate not exceeding five air changes per hour in Climate Zones 1 and 2, and three (five in Pennsylvania) air changes per hour in Climate Zones 3 through 8.

Harmony Home Energy, as determined by the code official, may act as the approved third party to conduct duct leakage testing and will provide a signed written report of the results of the test for the code official.

Compliance service provided to meet section R403.3.4 for duct leakage testing mandatory in the 2015 IECC. Total leakage shall be measured with a pressure differential of 0.1 inch w.g. (25 Pa) across
the system, including the manufacturer’s air handler
enclosure if installed at the time of the test.

Total Leakage can be tested at rough-in or postconstruction. Generally, leakage must be less than or equal to 4% of the conditioned floor area of the home. System can be tested at rough-in with no air-handler installed must achieve leakage less than or equal to 3% of the condition floor area.